This Week's Upcoming IPO Calendar: TRU, MCRN, GNRT, and 13 More

upcoming ipo calendarThere are 16 companies on this week's upcoming IPO calendar. According to Renaissance Capital, a manager of IPO-focused ETFs, they're expected to raise a combined $2.49 billion.

This should be the IPO market's most active week of 2015. Previously, the busiest was the week of Jan. 26, which saw 10 IPOs.

This week's high IPO total comes at a time when the IPO market is heating up.

The Fitbit IPO raised $732 million last Thursday, becoming the fourth-largest IPO of the year by proceeds and second-largest by valuation. Brazilian steakhouse chain Fogo de Chão Inc. (Nasdaq: FOGO) raised $88 million and gained 29% on its June 18 debut.

Leading the upcoming IPO calendar this week is TransUnion (NYSE: TRU). The credit bureau behemoth is the largest deal and makes up 26% of this week's proceeds.

Here are all 16 IPOs on this week's upcoming IPO calendar...

Upcoming IPO Calendar for the Week of June 22

TransUnion (NYSE: TRU) will be the last of the three major credit bureaus to go public, behind Equifax Inc. (NYSE: EFX) and Experian Plc. (LON: EXPN). The Chicago-based company offers consumer credit services in 33 countries and has accounts with around 500 million customers. Its sales grew more than 15% in the first quarter to $350 million as the number of credit reports surged. Unlike its competitors, TransUnion doesn't plan on paying a dividend. TRU is set for a $650 million deal and will sell 29.55 million shares at a $21 to $23 price range. It has a $3.9 billion market valuation and will begin trading on Thursday, June 25.

Milacron Holdings Corp. (NYSE: MCRN) is the largest manufacturer of plastic processing equipment in the United States. The company primarily produces equipment used for injection molding, blow molding, and extrusion. Milacron previously filed for Chapter 11 bankruptcy in March 2009. But the company has seen immense success since then, with sales soaring from $572 million in 2012 to $1.2 billion in 2014. It plans on raising $300 million by offering 14.29 million shares at a price range of $20 to $22. The company is valued at $1.5 billion and will hit the market on Thursday, June 25.

Here are the 14 other deals on this week's upcoming IPO calendar...

Gener8 Maritime Inc. (NYSE: GNRT) is a New York-based company that owns and operates 46 oil tankers. It's the largest owner of modern very large crude carriers (VLCCs) - oil tankers with capacities between 200,000 and 400,000 tons. The company was formed in February by the merger of General Maritime and Navig8 Crude, the former of which came out of bankruptcy in 2012. Euronav NV (NYSE: EURN) was the last oil tanker IPO and is up 31.3% since its Jan. 22 U.S. offering. Gener8 will raise $270 million by offering 15 million shares at a $17 to $19 price range. It commands a $2 billion valuation and will debut on Thursday, June 25.

Wayne Farms Inc. (Nasdaq: WNFM) is the sixth-largest producer and processor of broiler chickens in the United States. The Georgia-based company boasts popular customers like deli meat supplier Boar's Head and fast-food chain Chick-Fil-A. Wayne Farms posted sales of $2.2 billion between March 2014 and March 2015. However, some investors may be turned off by the company due to a potential peak in the market and avian flu outbreaks. Wayne Farms will generate $250 million by offering 12.82 million shares at a price range of $18 to $21. WNFM is valued at $1 billion and will start trading on Thursday, June 25.

Green Plains Partners LP (Nasdaq: GPP) will raise $200 million by selling 10 million shares at a $19 to $21 price range. The ethanol master limited partnership (MLP) will hit the market on Friday, June 26.

CNX Coal Resources LP (NYSE: CNXC) is set for a $200 million deal by offering 10 million shares at a price range of $19 to $21. The coal MLP will debut on Thursday, June 25.

Seres Therapeutics Inc. (Nasdaq: MCRB) will generate $100 million by selling 6.25 million shares at a $15 to $17 price range. The biotech company is expected to make its debut on Friday, June 26.

Alarm.com Holdings Inc. (Nasdaq: ALRM) will raise $98 million by selling 7 million shares at a price range of $13 to $15. The home security software firm will begin trading on Friday, June 26.

AppFolio Inc. (Nasdaq: APPF) is set for a $81 million deal by offering 6.2 million shares at a price range of $12 to $14. The cloud-based real estate company will hit the market on Friday, June 26.

Xactly Corp. (NYSE: XTLY) will raise $77 million by selling 7.04 million shares for $10 to $12. The management software firm will debut on Friday, June 26.

Glaukos Corp. (NYSE: GKOS) is set to generate $75 million by offering 5.36 million shares at a $13 to $15 price range. The surgical device seller will start trading on Thursday, June 25.

Lantheus Holdings Inc. (Nasdaq: LNTH) plans to raise $75 million by selling 7.89 million shares at a price range of $8.50 to $10.50. The medical imaging company will hit the market on Thursday, June 25.

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Catabasis Pharmaceuticals Inc. (Nasdaq: CATB) is set for a $60 million deal by offering 4.3 million shares at a $13 to $15 price range. The muscular dystrophy biotech will make its debut on Thursday, June 25.

Pieris Pharmaceuticals Inc. (Nasdaq: PIRS) will generate $30 million by selling 9.62 million shares for $3.12 a share. The German medical firm will begin trading on Friday, June 26.

Yulong Eco-Materials Ltd. (Nasdaq: YECO) hopes to raise $15 million by offering 2.25 million shares for $6.25 to $7.25 each. The Chinese brick producer has delayed its offering several times but is expected to price sometime this week.

Principal Solar Inc. (Nasdaq: PSWW) hopes to generate $12 million by selling 1.5 million shares at a $7 to $9 price range. The solar company's IPO has been pushed back several times. It expects to hit the market sometime this week.

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More on IPOs: The Fitbit IPO last week was one of the biggest tech deals of the year so far. Its trendy products and strong profitability make it stand out from recent IPOs like Etsy and GoDaddy. But should you invest in Fitbit stock?